Countertop filter



FIG. 1 is a perspective view of a countertop filter incorporating our new design as viewed from above, in front of and from the right of the countertop filter;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left-side elevation view thereof; and,

FIG. 7 is a right-side elevation view thereof.

The drawings are not shaded for color.

The broken line illustration of the hose in FIG. 6 is not a part of the design sought to be patented. 

The ornamental design for a countertop filter, as shown and described. 